Rename SauceLab job automatically

[mirekdlugosz]

Issue created based on comment in code (line 299):

airgun/airgun/browser.py

Lines 212 to 230 in 7b37535

	def _get_saucelabs_browser(self):
	"""Returns saucelabs webdriver instance of selected ``browser``.
	Note: should not be called directly, use :meth:`get_browser` instead.
	:raises: ValueError: If wrong ``browser`` specified.
	"""
	self._webdriver = webdriver.Remote(
	command_executor=_sauce_ondemand_url(
	settings.selenium.saucelabs_user,
	settings.selenium.saucelabs_key
	),
	desired_capabilities=self._get_webdriver_capabilities()
	)
	idle_timeout = settings.webdriver_desired_capabilities.idleTimeout
	if idle_timeout:
	self._webdriver.command_executor.set_timeout(int(idle_timeout))
	# todo: attempt to rename job here
	return self._webdriver

See also #344 (comment) for more details